<template>
    <div class="concat">
        <div class="container">
            <button class="btn"  @click="backTo">返回</button>
            <h3>留言</h3>
        </div>
    </div>
</template>

<script setup lang="ts">
import { useRouter } from "vue-router"
const router = useRouter();
const backTo = ()=> {
    router.back()
}
</script>